In my spare time I build scale model aircraft (bear with me here!) Now imagine when you look at one of my models compared with the actual plane. If we tried to use it above that size, however, its resolution becomes lower than 72 pixels per inch and that would mean that the image started to look coarse and blocky like theright hand side of our image at the top of this article. On screen for digital design, we view images at a resolution of roughly 72 pixels per inch, so at any size up to 10 inches square, that image would look smooth and well defined. This resolution determines how clear the image will look – the higher the resolution, the clearer the image and the better it will look in brochure or catalogue designs. The image’s resolution is the number of pixels divided by the size it is being viewed at – so if the image is 720 pixels wide by 720 pixels tall, and it’s being viewed at 10 inches square, it has a resolution of 72 pixels per inch (I’m not sure why it’s measured in inches – but it’s probably a combination of the fact it originated in print before metrication and that computers were so heavily based in the US).
What is ‘Resolution’?ĭigital images are made up of thousands of pixels (blocks of colour), and the number of pixels in the image will determine how high the image’s resolution is. If you want to use your digital photographs in printed brochures, no matter how beautiful the image, it is essential to make sure that the image is high enough resolution for print.
#IMAGE IN LARGER FOR MAC, POSTERS HOW TO#
Tips & Tricks High-res or low-res? How to make sure your digital images are suitable for print… Posted by Colin Higton
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